I did some work replacing both flipper on my stern Sopranos, the left one is working just fine, but the right one is sticking up as soon I close the door, if I open the door it’s going down (I can flip it up and down using the door switch).
Any clue on what it could be?
Thanks!
Blown transistor? Q16
Coin door switch cuts the high voltage, if the coil locks on when the high voltage is activated the transistor is most likely bad.
If you replaced a flipper coil and wired it backwards you have blown the transistor Q16. The power line wire needs to be soldered to the lug on the coil that has the banded side of the diode. If it was wired incorrectly the transistor needs to be replaced as well as the diode on the coil.
All right, I will look into that!
There was something strange on the old left flipper setup (it was working before the replacement), there was two wire for the coil but only one wire on the eos switch (the right flipper had two), is it normal (see picture), how can I be sure that the wirering is right (I took pic of the old setup in order to rewire it the way it was, maybe the new one is different)?
There is no diode on the new left flipper assembly (lucky me) but I will look to replace the q16 transistor.
11928400-2D33-4BFA-80AF-D673FFF1256F (resized).jpegNo that is not normal.The EOS will not function without both wires. Page 4 in the manual shows the switch matrix grid and the dedicated switches with their wire colors. Here is a screenshot showing the EOS switches from that page. Also refer to the manual (page 6) for proper coil wiring.
The flipper coils need diodes on Sopranos The picture you posted is of the right flipper assembly, the missing diode is the source of your issues.
486D4C4E-EC6A-4E41-BE3B-64CF6314658E (resized).pngC0A2F156-257B-468A-8A8C-0A1195EFA64B (resized).png
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Rouyn-noranda, QC
Elkhorn, WI